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Copeland Refrigeration Corp

Copeland R

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3578883A	Unloader for multicylinder refrigeration compressors	Expired / Lapsed	1969-05-14	1971-05-18	6	Details
US3138358A	Support structure	Expired / Lapsed	1962-07-09	1964-06-23	1	Details
US2667760A	Rupturable apparatus for sealing fluid system elements	Expired / Lapsed	1949-07-29	1954-02-02	0	Details
US2520674A	Compressor unloader	Expired / Lapsed	1947-05-14	1950-08-29	0	Details
US2124110A	Refrigerating mechanism	Expired / Lapsed	1937-07-20	1938-07-19	0	Details